Useful Techniques to solve Problems LightOJ - 1054

I am here to describe some techniques which can help you solve the following problems:

1. LightOJ - 1054 - Efficient Pseudo Code 
2. LightOJ - 1098 - A New Function
3. LightOJ - 1215 - Finding LCM

Please follow the above sequences one by one to get your desired problem. 

1. LightOJ - 1054 - Efficient Pseudo Code 

Technique: